🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 9.9

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.44 AU - 0.72 AU

Year: 295 Days

Day: 9 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,313,377 km

• M1: 123,269 km (0.105 R)
• M2: 478,414 km (0.067 R)
• M3: 804,238 km (0.09 R)
• M4: 1,347,727 km (0.114 R)
• M5: 1,864,887 km (0.067 R)
• M6: 2,302,311 km (0.077 R)
• M7: 2,975,202 km (0.051 R)
• M8: 3,821,478 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 10.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,313,377 km

• M1: 126,859 km (0.107 R)
• M2: 485,595 km (0.106 R)
• M3: 849,417 km (0.115 R)
• M4: 1,310,627 km (0.076 R)
• M5: 1,635,254 km (0.11 R)
• M6: 2,048,144 km (0.116 R)
• M7: 2,459,987 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 10

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.78 AU - 0.8 AU

Year: 468 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,313,377 km

• M1: 124,914 km (0.096 R)
• M2: 445,502 km (0.081 R)
• M3: 1,133,653 km (0.086 R)
• M4: 1,459,327 km (0.093 R)
• M5: 1,979,180 km (0.113 R)
• M6: 2,334,176 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 8.8

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.71 AU - 1.15 AU

Year: 598 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,313,377 km

• M1: 110,702 km (0.112 R)
• M2: 411,993 km (0.071 R)
• M3: 910,153 km (0.054 R)
• M4: 1,416,542 km (0.119 R)
• M5: 1,863,241 km (0.091 R)
• M6: 2,443,831 km (0.088 R)
• M7: 2,730,610 km (0.118 R)
• M8: 3,077,378 km (0.08 R)
• M9: 3,413,075 km (0.12 R)
• M10: 3,773,157 km (0.111 R)
• M11: 4,345,070 km (0.033 R)
• M12: 5,202,266 km (0.095 R)
• M13: 6,107,931 km (0.12 R)
• M14: 7,049,052 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 9.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.13 AU - 2.45 AU

Year: 2311 Days

Day: 5.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,313,377 km

• M1: 120,875 km (0.085 R)
• M2: 441,613 km (0.034 R)
• M3: 813,214 km (0.111 R)
• M4: 1,226,254 km (0.085 R)
• M5: 1,611,319 km (0.049 R)
• M6: 2,630,230 km (0.108 R)
• M7: 2,963,983 km (0.119 R)
• M8: 3,310,451 km (0.071 R)
• M9: 4,139,971 km (0.115 R)
• M10: 4,458,166 km (0.08 R)
• M11: 4,792,817 km (0.085 R)
• M12: 5,402,578 km (0.076 R)
• M13: 6,400,994 km (0.119 R)
• M14: 7,061,618 km (0.097 R)
• M15: 8,050,759 km (0.043 R)
• M16: 9,255,022 km (0.12 R)
• M17: 10,714,199 km (0.071 R)
• M18: 11,137,561 km (0.088 R)
• M19: 12,707,442 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 10.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.59 AU - 3.65 AU

Year: 3675 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,313,377 km

• M1: 137,929 km (0.055 R)
• M2: 502,948 km (0.116 R)
• M3: 1,384,379 km (0.092 R)
• M4: 2,808,102 km (0.07 R)
• M5: 3,661,557 km (0.073 R)
• M6: 4,845,475 km (0.094 R)
• M7: 6,368,980 km (0.12 R)
• M8: 8,524,236 km (0.114 R)
• M9: 8,962,857 km (0.092 R)
• M10: 9,582,342 km (0.096 R)
• M11: 10,725,868 km (0.108 R)
• M12: 11,765,573 km (0.058 R)
• M13: 12,349,603 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 10.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.51 AU - 4.43 AU

Year: 5275 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,313,377 km

• M1: 128,056 km (0.098 R)
• M2: 647,908 km (0.084 R)
• M3: 1,006,794 km (0.087 R)
• M4: 1,341,893 km (0.104 R)
• M5: 1,820,307 km (0.094 R)
• M6: 2,443,831 km (0.094 R)
• M7: 3,476,056 km (0.114 R)
• M8: 4,463,103 km (0.056 R)
• M9: 4,884,819 km (0.108 R)
• M10: 6,913,815 km (0.111 R)
• M11: 8,426,399 km (0.047 R)
• M12: 9,072,662 km (0.111 R)
• M13: 9,708,303 km (0.032 R)
• M14: 10,148,420 km (0.111 R)
• M15: 11,794,446 km (0.105 R)
• M16: 14,331,775 km (0.031 R)
• M17: 17,085,423 km (0.107 R)
• M18: 17,792,872 km (0.088 R)
• M19: 18,992,347 km (0.096 R)
• M20: 20,602,320 km (0.118 R)
• M21: 22,991,248 km (0.072 R)
• M22: 28,223,433 km (0.095 R)
• M23: 29,668,549 km (0.048 R)
• M24: 31,639,351 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.6

Radius: 7.6

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.34 AU - 12.02 AU

Year: 21660 Days

Day: 21.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,313,377 km

• M1: 97,837 km (0.088 R)
• M2: 345,272 km (0.077 R)
• M3: 889,060 km (0.107 R)
• M4: 2,026,303 km (0.089 R)
• M5: 3,400,958 km (0.083 R)
• M6: 5,168,457 km (0.105 R)
• M7: 6,014,582 km (0.109 R)
• M8: 6,369,578 km (0.095 R)
• M9: 6,949,868 km (0.101 R)
• M10: 8,505,237 km (0.064 R)
• M11: 11,672,224 km (0.042 R)
• M12: 12,731,676 km (0.1 R)
• M13: 19,090,035 km (0.065 R)
• M14: 21,092,552 km (0.078 R)
• M15: 22,849,280 km (0.104 R)
• M16: 23,423,735 km (0.095 R)
• M17: 29,146,004 km (0.11 R)
• M18: 32,029,951 km (0.084 R)
• M19: 33,234,962 km (0.104 R)
• M20: 35,225,362 km (0.085 R)
• M21: 36,638,912 km (0.108 R)
• M22: 37,425,797 km (0.033 R)
• M23: 38,492,280 km (0.117 R)
• M24: 46,685,008 km (0.093 R)
• M25: 48,861,357 km (0.112 R)
• M26: 51,921,831 km (0.095 R)
• M27: 54,088,008 km (0.067 R)
• M28: 58,421,708 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 14,377 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit